Cerros Bayos 2 (Paleocene of Argentina)

Where: La Pampa, Argentina (37.6° S, 67.7° W: paleocoordinates 40.2° S, 56.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Roca Formation (Malargue Group), Danian (66.0 - 61.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, fine-grained, medium, shelly/skeletal limestone

• Limestones. From the published stratigraphic section: predominately sequences of course grained mudstone, wackestone, packstone and grainstone with medium grained shale and fine to medium grained sandstone with some planar bedding and fossils.

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Size classes: macrofossils, mesofossils

Primary reference: M. Griffin, A. Parras, and S. Casadío. 2008. Late Maastrichtian-Danian Mytilids and Pinnids (Mollusca: Bivalvia) from Northern Patagonia, Argentina. Ameghiniana 45(1):139-152 [J. Sessa/L. Eccles/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106095: authorized by Jocelyn Sessa, entered by Laurie Eccles on 02.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Mytilida - Crenellidae
Gregariella amara
Gregariella amara Griffin et al. 2008 clam